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Teens who send sexually explicit texts or photos are much more likely than those who don't to be sexually active, finds a survey of Los Angeles high school students.

It has been a central campaign promise from Mitt Romney: His Medicare overhaul plan would not touch benefits for anyone older than 55. That may not, however, be the case with the Republican presidential nominee’s other health-care proposals. A growing body of research suggests that his plans to repeal the Affordable Care Act and cut Medicaid funding would have a direct impact on the health care that seniors receive.

Mitt Romney's budget plan would significantly raise income taxes for many families making between $100,000 and $200,000, analyses by leading Republican economists cited by the Romney campaign show.

Australian scientists have developed a genetic test to predict autism spectrum disorder in children, which could provide a long-sought way for early detection and intervention, according to a study published on Wednesday.

An infant who cries through the night -- or even a fraction of the night -- can have a big impact on a household. Parents who repeatedly wake up to soothe and cradle their baby may find themselves sleep-deprived, stressed-out, and even depressed.

Thanks to new research released this week by Stanford University, consumers now know that all of those sweet, red pieces of fruit – no matter how naturally or conventionally they were grown, and no matter how they are labeled – carry the exact same nutritional value. Forget: "Paper or plastic?" The question now: Will this revelation take a bite out of the $31 billion organic food industry?

The theory that people might dramatically increase their life spans by severely restricting their food intake has been around for decades. But that theory takes a big blow from a new study that finds monkeys put on such a strict diet -- getting 30% fewer calories than usual -- live no longer than monkeys allowed a normal diet, says USA Today's Science Fair.

The researchers didn't find the same IQ dip for people who became frequent users of pot after 18. Although experts said the new findings are not definitive, they do fit in with earlier signs that the drug is especially harmful to the developing brain.

Coverage of Barack Obama and Mitt Romney, especially on cable TV and leading news websites, is increasingly driven by the campaigns themselves, resulting in one of the most negative elections this country has seen in decades. That's the conclusion of a new study by the Pew Research Center's Project for Excellence in Journalism, which looked at more than 800 news stories produced by top newspapers, websites, and television and radio shows during the general election campaign.

Oral sex is good for women's health and makes you feel happier, according to a study which studied the effects of semen's 'mood-altering chemicals'. The State University of New York study - which scientists carried out via survey rather than through practical experiment - compared the sex lives of 293 females to their mental health.